text: from __future__ import unicode_literals
  
  import os.path
  import optparse
  import re
  import sys
  
  from .compat import (
      compat_expanduser,
      compat_get_terminal_size,
      compat_getenv,
      compat_kwargs,
      compat_shlex_split,
  )
  from .utils import (
      expand_path,
      get_executable_path,
      OUTTMPL_TYPES,
      preferredencoding,
      remove_end,
      write_string,
  )
  from .cookies import SUPPORTED_BROWSERS
  from .version import __version__
  
  from .downloader.external import list_external_downloaders
  from .postprocessor import (
      FFmpegExtractAudioPP,
      FFmpegSubtitlesConvertorPP,
      FFmpegThumbnailsConvertorPP,
      FFmpegVideoRemuxerPP,
      SponsorBlockPP,
  )
  from .postprocessor.modify_chapters import DEFAULT_SPONSORBLOCK_CHAPTER_TITLE
  
  
  def _hide_login_info(opts):
      PRIVATE_OPTS = set(['-p', '--password', '-u', '--username', '--video-password', '--ap-password', '--ap-username'])
      eqre = re.compile('^(?P<key>' + ('|'.join(re.escape(po) for po in PRIVATE_OPTS)) + ')=.+$')
  
      def _scrub_eq(o):
          m = eqre.match(o)
          if m:
              return m.group('key') + '=PRIVATE'
          else:
              return o
  
      opts = list(map(_scrub_eq, opts))
      for idx, opt in enumerate(opts):
          if opt in PRIVATE_OPTS and idx + 1 < len(opts):
              opts[idx + 1] = 'PRIVATE'
      return opts
  
  
  def parseOpts(overrideArguments=None):
      def _readOptions(filename_bytes, default=[]):
          try:
              optionf = open(filename_bytes)
          except IOError:
              return default  # silently skip if file is not present
          try:
              # FIXME: https://github.com/ytdl-org/youtube-dl/commit/dfe5fa49aed02cf36ba9f743b11b0903554b5e56
              contents = optionf.read()
              if sys.version_info < (3,):
                  contents = contents.decode(preferredencoding())
              res = compat_shlex_split(contents, comments=True)
          finally:
              optionf.close()
          return res
  
      def _readUserConf(package_name, default=[]):
          # .config
          xdg_config_home = compat_getenv('XDG_CONFIG_HOME') or compat_expanduser('~/.config')
          userConfFile = os.path.join(xdg_config_home, package_name, 'config')
          if not os.path.isfile(userConfFile):
              userConfFile = os.path.join(xdg_config_home, '%s.conf' % package_name)
          userConf = _readOptions(userConfFile, default=None)
          if userConf is not None:
              return userConf, userConfFile
  
          # appdata
          appdata_dir = compat_getenv('appdata')
          if appdata_dir:
              userConfFile = os.path.join(appdata_dir, package_name, 'config')
              userConf = _readOptions(userConfFile, default=None)
              if userConf is None:
                  userConfFile += '.txt'
                  userConf = _readOptions(userConfFile, default=None)
          if userConf is not None:
              return userConf, userConfFile
  
          # home
          userConfFile = os.path.join(compat_expanduser('~'), '%s.conf' % package_name)
          userConf = _readOptions(userConfFile, default=None)
          if userConf is None:
              userConfFile += '.txt'
              userConf = _readOptions(userConfFile, default=None)
          if userConf is not None:
              return userConf, userConfFile
  
          return default, None
  
      def _format_option_string(option):
          ''' ('-o', '--option') -> -o, --format METAVAR'''
  
          opts = []
  
          if option._short_opts:
              opts.append(option._short_opts[0])
          if option._long_opts:
              opts.append(option._long_opts[0])
          if len(opts) > 1:
              opts.insert(1, ', ')
  
          if option.takes_value():
              opts.append(' %s' % option.metavar)
  
          return ''.join(opts)
  
      def _list_from_options_callback(option, opt_str, value, parser, append=True, delim=',', process=str.strip):
          # append can be True, False or -1 (prepend)
          current = getattr(parser.values, option.dest) if append else []
          value = list(filter(None, [process(value)] if delim is None else map(process, value.split(delim))))
          setattr(
              parser.values, option.dest,
              current + value if append is True else value + current)
  
      def _set_from_options_callback(
              option, opt_str, value, parser, delim=',', allowed_values=None, aliases={},
              process=lambda x: x.lower().strip()):
          current = getattr(parser.values, option.dest)
          values = [process(value)] if delim is None else list(map(process, value.split(delim)[::-1]))
          while values:
              actual_val = val = values.pop()
              if val == 'all':
                  current.update(allowed_values)
              elif val == '-all':
                  current = set()
              elif val in aliases:
                  values.extend(aliases[val])
              else:
                  if val[0] == '-':
                      val = val[1:]
                      current.discard(val)
                  else:
                      current.update([val])
                  if allowed_values is not None and val not in allowed_values:
                      raise optparse.OptionValueError(f'wrong {option.metavar} for {opt_str}: {actual_val}')
  
          setattr(parser.values, option.dest, current)
  
      def _dict_from_options_callback(
              option, opt_str, value, parser,
              allowed_keys=r'[\w-]+', delimiter=':', default_key=None, process=None, multiple_keys=True):
  
          out_dict = getattr(parser.values, option.dest)
          if multiple_keys:
              allowed_keys = r'(%s)(,(%s))*' % (allowed_keys, allowed_keys)
          mobj = re.match(r'(?i)(?P<keys>%s)%s(?P<val>.*)$' % (allowed_keys, delimiter), value)
          if mobj is not None:
              keys = [k.strip() for k in mobj.group('keys').lower().split(',')]
              val = mobj.group('val')
          elif default_key is not None:
              keys, val = [default_key], value
          else:
              raise optparse.OptionValueError(
                  'wrong %s formatting; it should be %s, not "%s"' % (opt_str, option.metavar, value))
          try:
              val = process(val) if process else val
          except Exception as err:
              raise optparse.OptionValueError(
                  'wrong %s formatting; %s' % (opt_str, err))
          for key in keys:
              out_dict[key] = val
  
      # No need to wrap help messages if we're on a wide console
      columns = compat_get_terminal_size().columns
      max_width = columns if columns else 80
      # 47% is chosen because that is how README.md is currently formatted
      # and moving help text even further to the right is undesirable.
      # This can be reduced in the future to get a prettier output
      max_help_position = int(0.47 * max_width)
  
      fmt = optparse.IndentedHelpFormatter(width=max_width, max_help_position=max_help_position)
      fmt.format_option_strings = _format_option_string
  
      kw = {
          'version': __version__,
          'formatter': fmt,
          'usage': '%prog [OPTIONS] URL [URL...]',
          'conflict_handler': 'resolve',
      }
  
      parser = optparse.OptionParser(**compat_kwargs(kw))
  
      general = optparse.OptionGroup(parser, 'General Options')
      general.add_option(
          '-h', '--help',
          action='help',
          help='Print this help text and exit')
      general.add_option(
          '--version',
          action='version',
          help='Print program version and exit')
      general.add_option(
          '-U', '--update',
          action='store_true', dest='update_self',
          help='Update this program to latest version. Make sure that you have sufficient permissions (run with sudo if needed)')
      general.add_option(
          '-i', '--ignore-errors',
          action='store_true', dest='ignoreerrors',
          help='Ignore download and postprocessing errors. The download will be considered successfull even if the postprocessing fails')
      general.add_option(
          '--no-abort-on-error',
          action='store_const', dest='ignoreerrors', const='only_download',
          help='Continue with next video on download errors; e.g. to skip unavailable videos in a playlist (default)')
      general.add_option(
          '--abort-on-error', '--no-ignore-errors',
          action='store_false', dest='ignoreerrors',
          help='Abort downloading of further videos if an error occurs (Alias: --no-ignore-errors)')
      general.add_option(
          '--dump-user-agent',
          action='store_true', dest='dump_user_agent', default=False,
          help='Display the current user-agent and exit')
      general.add_option(
          '--list-extractors',
          action='store_true', dest='list_extractors', default=False,
          help='List all supported extractors and exit')
      general.add_option(
          '--extractor-descriptions',
          action='store_true', dest='list_extractor_descriptions', default=False,
          help='Output descriptions of all supported extractors and exit')
      general.add_option(
          '--force-generic-extractor',
          action='store_true', dest='force_generic_extractor', default=False,
          help='Force extraction to use the generic extractor')
      general.add_option(
          '--default-search',
          dest='default_search', metavar='PREFIX',
          help='Use this prefix for unqualified URLs. For example "gvsearch2:" downloads two videos from google videos for the search term "large apple". Use the value "auto" to let yt-dlp guess ("auto_warning" to emit a warning when guessing). "error" just throws an error. The default value "fixup_error" repairs broken URLs, but emits an error if this is not possible instead of searching')
      general.add_option(
          '--ignore-config', '--no-config',
          action='store_true', dest='ignoreconfig',
          help=(
              'Disable loading any configuration files except the one provided by --config-location. '
              'When given inside a configuration file, no further configuration files are loaded. '
              'Additionally, (for backward compatibility) if this option is found inside the '
              'system configuration file, the user configuration is not loaded'))
      general.add_option(
          '--config-location',
          dest='config_location', metavar='PATH',
          help='Location of the main configuration file; either the path to the config or its containing directory')
      general.add_option(
          '--flat-playlist',
          action='store_const', dest='extract_flat', const='in_playlist', default=False,
          help='Do not extract the videos of a playlist, only list them')
      general.add_option(
          '--no-flat-playlist',
          action='store_false', dest='extract_flat',
          help='Extract the videos of a playlist')
      general.add_option(
          '--mark-watched',
          action='store_true', dest='mark_watched', default=False,
          help='Mark videos watched (even with --simulate). Currently only supported for YouTube')
      general.add_option(
          '--no-mark-watched',
          action='store_false', dest='mark_watched',
          help='Do not mark videos watched (default)')
      general.add_option(
          '--no-colors',
          action='store_true', dest='no_color', default=False,
          help='Do not emit color codes in output')
      general.add_option(
          '--compat-options',
          metavar='OPTS', dest='compat_opts', default=set(), type='str',
          action='callback', callback=_set_from_options_callback,
          callback_kwargs={
              'allowed_values': {
                  'filename', 'format-sort', 'abort-on-error', 'format-spec', 'no-playlist-metafiles',
                  'multistreams', 'no-live-chat', 'playlist-index', 'list-formats', 'no-direct-merge',
                  'no-youtube-channel-redirect', 'no-youtube-unavailable-videos', 'no-attach-info-json',
                  'embed-thumbnail-atomicparsley', 'seperate-video-versions', 'no-clean-infojson', 'no-keep-subs',
              }, 'aliases': {
                  'youtube-dl': ['-multistreams', 'all'],
                  'youtube-dlc': ['-no-youtube-channel-redirect', '-no-live-chat', 'all'],
              }
          }, help=(
              'Options that can help keep compatibility with youtube-dl or youtube-dlc '
              'configurations by reverting some of the changes made in yt-dlp. '
              'See "Differences in default behavior" for details'))
  
      network = optparse.OptionGroup(parser, 'Network Options')
      network.add_option(
          '--proxy', dest='proxy',
          default=None, metavar='URL',
          help=(
              'Use the specified HTTP/HTTPS/SOCKS proxy. To enable '
              'SOCKS proxy, specify a proper scheme. For example '
              'socks5://127.0.0.1:1080/. Pass in an empty string (--proxy "") '
              'for direct connection'))
      network.add_option(
          '--socket-timeout',
          dest='socket_timeout', type=float, default=None, metavar='SECONDS',
          help='Time to wait before giving up, in seconds')
      network.add_option(
          '--source-address',
          metavar='IP', dest='source_address', default=None,
          help='Client-side IP address to bind to',
      )
      network.add_option(
          '-4', '--force-ipv4',
          action='store_const', const='0.0.0.0', dest='source_address',
          help='Make all connections via IPv4',
      )
      network.add_option(
          '-6', '--force-ipv6',
          action='store_const', const='::', dest='source_address',
          help='Make all connections via IPv6',
      )
  
      geo = optparse.OptionGroup(parser, 'Geo-restriction')
      geo.add_option(
          '--geo-verification-proxy',
          dest='geo_verification_proxy', default=None, metavar='URL',
          help=(
              'Use this proxy to verify the IP address for some geo-restricted sites. '
              'The default proxy specified by --proxy (or none, if the option is not present) is used for the actual downloading'))
      geo.add_option(
          '--cn-verification-proxy',
          dest='cn_verification_proxy', default=None, metavar='URL',
          help=optparse.SUPPRESS_HELP)
      geo.add_option(
          '--geo-bypass',
          action='store_true', dest='geo_bypass', default=True,
          help='Bypass geographic restriction via faking X-Forwarded-For HTTP header')
      geo.add_option(
          '--no-geo-bypass',
          action='store_false', dest='geo_bypass', default=True,
          help='Do not bypass geographic restriction via faking X-Forwarded-For HTTP header')
      geo.add_option(
          '--geo-bypass-country', metavar='CODE',
          dest='geo_bypass_country', default=None,
          help='Force bypass geographic restriction with explicitly provided two-letter ISO 3166-2 country code')
      geo.add_option(
          '--geo-bypass-ip-block', metavar='IP_BLOCK',
          dest='geo_bypass_ip_block', default=None,
          help='Force bypass geographic restriction with explicitly provided IP block in CIDR notation')
  
      selection = optparse.OptionGroup(parser, 'Video Selection')
      selection.add_option(
          '--playlist-start',
          dest='playliststart', metavar='NUMBER', default=1, type=int,
          help='Playlist video to start at (default is %default)')
      selection.add_option(
          '--playlist-end',
          dest='playlistend', metavar='NUMBER', default=None, type=int,
          help='Playlist video to end at (default is last)')
      selection.add_option(
          '--playlist-items',
          dest='playlist_items', metavar='ITEM_SPEC', default=None,
          help='Playlist video items to download. Specify indices of the videos in the playlist separated by commas like: "--playlist-items 1,2,5,8" if you want to download videos indexed 1, 2, 5, 8 in the playlist. You can specify range: "--playlist-items 1-3,7,10-13", it will download the videos at index 1, 2, 3, 7, 10, 11, 12 and 13')
      selection.add_option(
          '--match-title',
          dest='matchtitle', metavar='REGEX',
          help=optparse.SUPPRESS_HELP)
      selection.add_option(
          '--reject-title',
          dest='rejecttitle', metavar='REGEX',
          help=optparse.SUPPRESS_HELP)
      selection.add_option(
          '--max-downloads',
          dest='max_downloads', metavar='NUMBER', type=int, default=None,
          help='Abort after downloading NUMBER files')
      selection.add_option(
          '--min-filesize',
          metavar='SIZE', dest='min_filesize', default=None,
          help='Do not download any videos smaller than SIZE (e.g. 50k or 44.6m)')
      selection.add_option(
          '--max-filesize',
          metavar='SIZE', dest='max_filesize', default=None,
          help='Do not download any videos larger than SIZE (e.g. 50k or 44.6m)')
      selection.add_option(
          '--date',
          metavar='DATE', dest='date', default=None,
          help=(
              'Download only videos uploaded in this date. '
              'The date can be "YYYYMMDD" or in the format '
              '"(now|today)[+-][0-9](day|week|month|year)(s)?"'))
      selection.add_option(
          '--datebefore',
          metavar='DATE', dest='datebefore', default=None,
          help=(
              'Download only videos uploaded on or before this date. '
              'The date formats accepted is the same as --date'))
      selection.add_option(
          '--dateafter',
          metavar='DATE', dest='dateafter', default=None,
          help=(
              'Download only videos uploaded on or after this date. '
              'The date formats accepted is the same as --date'))
      selection.add_option(
          '--min-views',
          metavar='COUNT', dest='min_views', default=None, type=int,
          help=optparse.SUPPRESS_HELP)
      selection.add_option(
          '--max-views',
          metavar='COUNT', dest='max_views', default=None, type=int,
          help=optparse.SUPPRESS_HELP)
      selection.add_option(
          '--match-filter',
          metavar='FILTER', dest='match_filter', default=None,
          help=(
              'Generic video filter. Any field (see "OUTPUT TEMPLATE") can be compared with a '
              'number or a string using the operators defined in "Filtering formats". '
              'You can also simply specify a field to match if the field is present '
              'and "!field" to check if the field is not present. In addition, '
              'Python style regular expression matching can be done using "~=", '
              'and multiple filters can be checked with "&". '
              'Use a "\\" to escape "&" or quotes if needed. Eg: --match-filter '
              '"!is_live & like_count>?100 & description~=\'(?i)\\bcats \\& dogs\\b\'" '
              'matches only videos that are not live, has a like count more than 100 '
              '(or the like field is not available), and also has a description '
              'that contains the phrase "cats & dogs" (ignoring case)'))
      selection.add_option(
          '--no-match-filter',
          metavar='FILTER', dest='match_filter', action='store_const', const=None,
          help='Do not use generic video filter (default)')
      selection.add_option(
          '--no-playlist',
          action='store_true', dest='noplaylist', default=False,
          help='Download only the video, if the URL refers to a video and a playlist')
      selection.add_option(
          '--yes-playlist',
          action='store_false', dest='noplaylist',
          help='Download the playlist, if the URL refers to a video and a playlist')
      selection.add_option(
          '--age-limit',
          metavar='YEARS', dest='age_limit', default=None, type=int,
          help='Download only videos suitable for the given age')
      selection.add_option(
          '--download-archive', metavar='FILE',
          dest='download_archive',
          help='Download only videos not listed in the archive file. Record the IDs of all downloaded videos in it')
      selection.add_option(
          '--break-on-existing',
          action='store_true', dest='break_on_existing', default=False,
          help='Stop the download process when encountering a file that is in the archive')
      selection.add_option(
          '--break-on-reject',
          action='store_true', dest='break_on_reject', default=False,
          help='Stop the download process when encountering a file that has been filtered out')
      selection.add_option(
          '--skip-playlist-after-errors', metavar='N',
          dest='skip_playlist_after_errors', default=None, type=int,
          help='Number of allowed failures until the rest of the playlist is skipped')
      selection.add_option(
          '--no-download-archive',
          dest='download_archive', action="store_const", const=None,
          help='Do not use archive file (default)')
      selection.add_option(
          '--include-ads',
          dest='include_ads', action='store_true',
          help=optparse.SUPPRESS_HELP)
      selection.add_option(
          '--no-include-ads',
          dest='include_ads', action='store_false',
          help=optparse.SUPPRESS_HELP)
  
      authentication = optparse.OptionGroup(parser, 'Authentication Options')
      authentication.add_option(
          '-u', '--username',
          dest='username', metavar='USERNAME',
          help='Login with this account ID')
      authentication.add_option(
          '-p', '--password',
          dest='password', metavar='PASSWORD',
          help='Account password. If this option is left out, yt-dlp will ask interactively')
      authentication.add_option(
          '-2', '--twofactor',
          dest='twofactor', metavar='TWOFACTOR',
          help='Two-factor authentication code')
      authentication.add_option(
          '-n', '--netrc',
          action='store_true', dest='usenetrc', default=False,
          help='Use .netrc authentication data')
      authentication.add_option(
          '--netrc-location',
          dest='netrc_location', metavar='PATH',
          help='Location of .netrc authentication data; either the path or its containing directory. Defaults to ~/.netrc')
      authentication.add_option(
          '--video-password',
          dest='videopassword', metavar='PASSWORD',
          help='Video password (vimeo, youku)')
      authentication.add_option(
          '--ap-mso',
          dest='ap_mso', metavar='MSO',
          help='Adobe Pass multiple-system operator (TV provider) identifier, use --ap-list-mso for a list of available MSOs')
      authentication.add_option(
          '--ap-username',
          dest='ap_username', metavar='USERNAME',
          help='Multiple-system operator account login')
      authentication.add_option(
          '--ap-password',
          dest='ap_password', metavar='PASSWORD',
          help='Multiple-system operator account password. If this option is left out, yt-dlp will ask interactively')
      authentication.add_option(
          '--ap-list-mso',
          action='store_true', dest='ap_list_mso', default=False,
          help='List all supported multiple-system operators')
  
      video_format = optparse.OptionGroup(parser, 'Video Format Options')
      video_format.add_option(
          '-f', '--format',
          action='store', dest='format', metavar='FORMAT', default=None,
          help='Video format code, see "FORMAT SELECTION" for more details')
      video_format.add_option(
          '-S', '--format-sort', metavar='SORTORDER',
          dest='format_sort', default=[], type='str', action='callback',
          callback=_list_from_options_callback, callback_kwargs={'append': -1},
          help='Sort the formats by the fields given, see "Sorting Formats" for more details')
      video_format.add_option(
          '--format-sort-force', '--S-force',
          action='store_true', dest='format_sort_force', metavar='FORMAT', default=False,
          help=(
              'Force user specified sort order to have precedence over all fields, '
              'see "Sorting Formats" for more details'))
      video_format.add_option(
          '--no-format-sort-force',
          action='store_false', dest='format_sort_force', metavar='FORMAT', default=False,
          help=(
              'Some fields have precedence over the user specified sort order (default), '
              'see "Sorting Formats" for more details'))
      video_format.add_option(
          '--video-multistreams',
          action='store_true', dest='allow_multiple_video_streams', default=None,
          help='Allow multiple video streams to be merged into a single file')
      video_format.add_option(
          '--no-video-multistreams',
          action='store_false', dest='allow_multiple_video_streams',
          help='Only one video stream is downloaded for each output file (default)')
      video_format.add_option(
          '--audio-multistreams',
          action='store_true', dest='allow_multiple_audio_streams', default=None,
          help='Allow multiple audio streams to be merged into a single file')
      video_format.add_option(
          '--no-audio-multistreams',
          action='store_false', dest='allow_multiple_audio_streams',
          help='Only one audio stream is downloaded for each output file (default)')
      video_format.add_option(
          '--all-formats',
          action='store_const', dest='format', const='all',
          help=optparse.SUPPRESS_HELP)
      video_format.add_option(
          '--prefer-free-formats',
          action='store_true', dest='prefer_free_formats', default=False,
          help=(
              'Prefer video formats with free containers over non-free ones of same quality. '
              'Use with "-S ext" to strictly prefer free containers irrespective of quality'))
      video_format.add_option(
          '--no-prefer-free-formats',
          action='store_false', dest='prefer_free_formats', default=False,
          help="Don't give any special preference to free containers (default)")
      video_format.add_option(
          '--check-formats',
          action='store_true', dest='check_formats', default=None,
          help='Check that the formats selected are actually downloadable')
      video_format.add_option(
          '--no-check-formats',
          action='store_false', dest='check_formats',
          help='Do not check that the formats selected are actually downloadable')
      video_format.add_option(
          '-F', '--list-formats',
          action='store_true', dest='listformats',
          help='List available formats of each video. Simulate unless --no-simulate is used')
      video_format.add_option(
          '--list-formats-as-table',
          action='store_true', dest='listformats_table', default=True,
          help=optparse.SUPPRESS_HELP)
      video_format.add_option(
          '--list-formats-old', '--no-list-formats-as-table',
          action='store_false', dest='listformats_table',
          help=optparse.SUPPRESS_HELP)
      video_format.add_option(
          '--merge-output-format',
          action='store', dest='merge_output_format', metavar='FORMAT', default=None,
          help=(
              'If a merge is required (e.g. bestvideo+bestaudio), '
              'output to given container format. One of mkv, mp4, ogg, webm, flv. '
              'Ignored if no merge is required'))
      video_format.add_option(
          '--allow-unplayable-formats',
          action='store_true', dest='allow_unplayable_formats', default=False,
          help=optparse.SUPPRESS_HELP)
      video_format.add_option(
          '--no-allow-unplayable-formats',
          action='store_false', dest='allow_unplayable_formats',
          help=optparse.SUPPRESS_HELP)
  
      subtitles = optparse.OptionGroup(parser, 'Subtitle Options')
      subtitles.add_option(
          '--write-subs', '--write-srt',
          action='store_true', dest='writesubtitles', default=False,
          help='Write subtitle file')
      subtitles.add_option(
          '--no-write-subs', '--no-write-srt',
          action='store_false', dest='writesubtitles',
          help='Do not write subtitle file (default)')
      subtitles.add_option(
          '--write-auto-subs', '--write-automatic-subs',
          action='store_true', dest='writeautomaticsub', default=False,
          help='Write automatically generated subtitle file (Alias: --write-automatic-subs)')
      subtitles.add_option(
          '--no-write-auto-subs', '--no-write-automatic-subs',
          action='store_false', dest='writeautomaticsub', default=False,
          help='Do not write auto-generated subtitles (default) (Alias: --no-write-automatic-subs)')
      subtitles.add_option(
          '--all-subs',
          action='store_true', dest='allsubtitles', default=False,
          help=optparse.SUPPRESS_HELP)
      subtitles.add_option(
          '--list-subs',
          action='store_true', dest='listsubtitles', default=False,
          help='List available subtitles of each video. Simulate unless --no-simulate is used')
      subtitles.add_option(
          '--sub-format',
          action='store', dest='subtitlesformat', metavar='FORMAT', default='best',
          help='Subtitle format, accepts formats preference, for example: "srt" or "ass/srt/best"')
      subtitles.add_option(
          '--sub-langs', '--srt-langs',
          action='callback', dest='subtitleslangs', metavar='LANGS', type='str',
          default=[], callback=_list_from_options_callback,
          help=(
              'Languages of the subtitles to download (can be regex) or "all" separated by commas. (Eg: --sub-langs en.*,ja) '
              'You can prefix the language code with a "-" to exempt it from the requested languages. (Eg: --sub-langs all,-live_chat) '
              'Use --list-subs for a list of available language tags'))
  
      downloader = optparse.OptionGroup(parser, 'Download Options')
      downloader.add_option(
          '-N', '--concurrent-fragments',
          dest='concurrent_fragment_downloads', metavar='N', default=1, type=int,
          help='Number of fragments of a dash/hlsnative video that should be download concurrently (default is %default)')
      downloader.add_option(
          '-r', '--limit-rate', '--rate-limit',
          dest='ratelimit', metavar='RATE',
          help='Maximum download rate in bytes per second (e.g. 50K or 4.2M)')
      downloader.add_option(
          '--throttled-rate',
          dest='throttledratelimit', metavar='RATE',
          help='Minimum download rate in bytes per second below which throttling is assumed and the video data is re-extracted (e.g. 100K)')
      downloader.add_option(
          '-R', '--retries',
          dest='retries', metavar='RETRIES', default=10,
          help='Number of retries (default is %default), or "infinite"')
      downloader.add_option(
          '--fragment-retries',
          dest='fragment_retries', metavar='RETRIES', default=10,
          help='Number of retries for a fragment (default is %default), or "infinite" (DASH, hlsnative and ISM)')
      downloader.add_option(
          '--skip-unavailable-fragments', '--no-abort-on-unavailable-fragment',
          action='store_true', dest='skip_unavailable_fragments', default=True,
          help='Skip unavailable fragments for DASH, hlsnative and ISM (default) (Alias: --no-abort-on-unavailable-fragment)')
      downloader.add_option(
          '--abort-on-unavailable-fragment', '--no-skip-unavailable-fragments',
          action='store_false', dest='skip_unavailable_fragments',
          help='Abort downloading if a fragment is unavailable (Alias: --no-skip-unavailable-fragments)')
      downloader.add_option(
          '--keep-fragments',
          action='store_true', dest='keep_fragments', default=False,
          help='Keep downloaded fragments on disk after downloading is finished')
      downloader.add_option(
          '--no-keep-fragments',
          action='store_false', dest='keep_fragments',
          help='Delete downloaded fragments after downloading is finished (default)')
      downloader.add_option(
          '--buffer-size',
          dest='buffersize', metavar='SIZE', default='1024',
          help='Size of download buffer (e.g. 1024 or 16K) (default is %default)')
      downloader.add_option(
          '--resize-buffer',
          action='store_false', dest='noresizebuffer',
          help='The buffer size is automatically resized from an initial value of --buffer-size (default)')
      downloader.add_option(
          '--no-resize-buffer',
          action='store_true', dest='noresizebuffer', default=False,
          help='Do not automatically adjust the buffer size')
      downloader.add_option(
          '--http-chunk-size',
          dest='http_chunk_size', metavar='SIZE', default=None,
          help=(
              'Size of a chunk for chunk-based HTTP downloading (e.g. 10485760 or 10M) (default is disabled). '
              'May be useful for bypassing bandwidth throttling imposed by a webserver (experimental)'))
      downloader.add_option(
          '--test',
          action='store_true', dest='test', default=False,
          help=optparse.SUPPRESS_HELP)
      downloader.add_option(
          '--playlist-reverse',
          action='store_true',
          help='Download playlist videos in reverse order')
      downloader.add_option(
          '--no-playlist-reverse',
          action='store_false', dest='playlist_reverse',
          help='Download playlist videos in default order (default)')
      downloader.add_option(
          '--playlist-random',
          action='store_true',
          help='Download playlist videos in random order')
      downloader.add_option(
          '--xattr-set-filesize',
          dest='xattr_set_filesize', action='store_true',
          help='Set file xattribute ytdl.filesize with expected file size')
      downloader.add_option(
          '--hls-prefer-native',
          dest='hls_prefer_native', action='store_true', default=None,
          help=optparse.SUPPRESS_HELP)
      downloader.add_option(
          '--hls-prefer-ffmpeg',
          dest='hls_prefer_native', action='store_false', default=None,
          help=optparse.SUPPRESS_HELP)
      downloader.add_option(
          '--hls-use-mpegts',
          dest='hls_use_mpegts', action='store_true', default=None,
          help=(
              'Use the mpegts container for HLS videos; '
              'allowing some players to play the video while downloading, '
              'and reducing the chance of file corruption if download is interrupted. '
              'This is enabled by default for live streams'))
      downloader.add_option(
          '--no-hls-use-mpegts',
          dest='hls_use_mpegts', action='store_false',
          help=(
              'Do not use the mpegts container for HLS videos. '
              'This is default when not downloading live streams'))
      downloader.add_option(
          '--downloader', '--external-downloader',
          dest='external_downloader', metavar='[PROTO:]NAME', default={}, type='str',
          action='callback', callback=_dict_from_options_callback,
          callback_kwargs={
              'allowed_keys': 'http|ftp|m3u8|dash|rtsp|rtmp|mms',
              'default_key': 'default',
              'process': str.strip
          }, help=(
              'Name or path of the external downloader to use (optionally) prefixed by '
              'the protocols (http, ftp, m3u8, dash, rstp, rtmp, mms) to use it for. '
              'Currently supports native, %s (Recommended: aria2c). '
              'You can use this option multiple times to set different downloaders for different protocols. '
              'For example, --downloader aria2c --downloader "dash,m3u8:native" will use '
              'aria2c for http/ftp downloads, and the native downloader for dash/m3u8 downloads '
              '(Alias: --external-downloader)' % ', '.join(list_external_downloaders())))
      downloader.add_option(
          '--downloader-args', '--external-downloader-args',
          metavar='NAME:ARGS', dest='external_downloader_args', default={}, type='str',
          action='callback', callback=_dict_from_options_callback,
          callback_kwargs={
              'allowed_keys': r'ffmpeg_[io]\d*|%s' % '|'.join(list_external_downloaders()),
              'default_key': 'default',
              'process': compat_shlex_split
          }, help=(
              'Give these arguments to the external downloader. '
              'Specify the downloader name and the arguments separated by a colon ":". '
              'For ffmpeg, arguments can be passed to different positions using the same syntax as --postprocessor-args. '
              'You can use this option multiple times to give different arguments to different downloaders '
              '(Alias: --external-downloader-args)'))
  
      workarounds = optparse.OptionGroup(parser, 'Workarounds')
      workarounds.add_option(
          '--encoding',
          dest='encoding', metavar='ENCODING',
          help='Force the specified encoding (experimental)')
      workarounds.add_option(
          '--no-check-certificates',
          action='store_true', dest='no_check_certificate', default=False,
          help='Suppress HTTPS certificate validation')
      workarounds.add_option(
          '--prefer-insecure', '--prefer-unsecure',
          action='store_true', dest='prefer_insecure',
          help='Use an unencrypted connection to retrieve information about the video (Currently supported only for YouTube)')
      workarounds.add_option(
          '--user-agent',
          metavar='UA', dest='user_agent',
          help='Specify a custom user agent')
      workarounds.add_option(
          '--referer',
          metavar='URL', dest='referer', default=None,
          help='Specify a custom referer, use if the video access is restricted to one domain',
      )
      workarounds.add_option(
          '--add-header',
          metavar='FIELD:VALUE', dest='headers', default={}, type='str',
          action='callback', callback=_dict_from_options_callback,
          callback_kwargs={'multiple_keys': False},
          help='Specify a custom HTTP header and its value, separated by a colon ":". You can use this option multiple times',
      )
      workarounds.add_option(
          '--bidi-workaround',
          dest='bidi_workaround', action='store_true',
          help='Work around terminals that lack bidirectional text support. Requires bidiv or fribidi executable in PATH')
      workarounds.add_option(
          '--sleep-requests', metavar='SECONDS',
          dest='sleep_interval_requests', type=float,
          help='Number of seconds to sleep between requests during data extraction')
      workarounds.add_option(
          '--sleep-interval', '--min-sleep-interval', metavar='SECONDS',
          dest='sleep_interval', type=float,
          help=(
              'Number of seconds to sleep before each download. '
              'This is the minimum time to sleep when used along with --max-sleep-interval '
              '(Alias: --min-sleep-interval)'))
      workarounds.add_option(
          '--max-sleep-interval', metavar='SECONDS',
          dest='max_sleep_interval', type=float,
          help='Maximum number of seconds to sleep. Can only be used along with --min-sleep-interval')
      workarounds.add_option(
          '--sleep-subtitles', metavar='SECONDS',
          dest='sleep_interval_subtitles', default=0, type=int,
          help='Number of seconds to sleep before each subtitle download')
  
      verbosity = optparse.OptionGroup(parser, 'Verbosity and Simulation Options')
      verbosity.add_option(
          '-q', '--quiet',
          action='store_true', dest='quiet', default=False,
          help='Activate quiet mode. If used with --verbose, print the log to stderr')
      verbosity.add_option(
          '--no-warnings',
          dest='no_warnings', action='store_true', default=False,
          help='Ignore warnings')
      verbosity.add_option(
          '-s', '--simulate',
          action='store_true', dest='simulate', default=None,
          help='Do not download the video and do not write anything to disk')
      verbosity.add_option(
          '--no-simulate',
          action='store_false', dest='simulate',
          help='Download the video even if printing/listing options are used')
      verbosity.add_option(
          '--ignore-no-formats-error',
          action='store_true', dest='ignore_no_formats_error', default=False,
          help=(
              'Ignore "No video formats" error. Usefull for extracting metadata '
              'even if the videos are not actually available for download (experimental)'))
      verbosity.add_option(
          '--no-ignore-no-formats-error',
          action='store_false', dest='ignore_no_formats_error',
          help='Throw error when no downloadable video formats are found (default)')
      verbosity.add_option(
          '--skip-download', '--no-download',
          action='store_true', dest='skip_download', default=False,
          help='Do not download the video but write all related files (Alias: --no-download)')
      verbosity.add_option(
          '-O', '--print',
          metavar='TEMPLATE', action='append', dest='forceprint',
          help=(
              'Quiet, but print the given fields for each video. Simulate unless --no-simulate is used. '
              'Either a field name or same syntax as the output template can be used'))
      verbosity.add_option(
          '-g', '--get-url',
          action='store_true', dest='geturl', default=False,
          help=optparse.SUPPRESS_HELP)
      verbosity.add_option(
          '-e', '--get-title',
          action='store_true', dest='gettitle', default=False,
          help=optparse.SUPPRESS_HELP)
      verbosity.add_option(
          '--get-id',
          action='store_true', dest='getid', default=False,
          help=optparse.SUPPRESS_HELP)
      verbosity.add_option(
          '--get-thumbnail',
          action='store_true', dest='getthumbnail', default=False,
          help=optparse.SUPPRESS_HELP)
      verbosity.add_option(
          '--get-description',
          action='store_true', dest='getdescription', default=False,
          help=optparse.SUPPRESS_HELP)
      verbosity.add_option(
          '--get-duration',
          action='store_true', dest='getduration', default=False,
          help=optparse.SUPPRESS_HELP)
      verbosity.add_option(
          '--get-filename',
          action='store_true', dest='getfilename', default=False,
          help=optparse.SUPPRESS_HELP)
      verbosity.add_option(
          '--get-format',
          action='store_true', dest='getformat', default=False,
          help=optparse.SUPPRESS_HELP)
      verbosity.add_option(
          '-j', '--dump-json',
          action='store_true', dest='dumpjson', default=False,
          help='Quiet, but print JSON information for each video. Simulate unless --no-simulate is used. See "OUTPUT TEMPLATE" for a description of available keys')
      verbosity.add_option(
          '-J', '--dump-single-json',
          action='store_true', dest='dump_single_json', default=False,
          help=(
              'Quiet, but print JSON information for each url or infojson passed. Simulate unless --no-simulate is used. '
              'If the URL refers to a playlist, the whole playlist information is dumped in a single line'))
      verbosity.add_option(
          '--print-json',
          action='store_true', dest='print_json', default=False,
          help=optparse.SUPPRESS_HELP)
      verbosity.add_option(
          '--force-write-archive', '--force-write-download-archive', '--force-download-archive',
          action='store_true', dest='force_write_download_archive', default=False,
          help=(
              'Force download archive entries to be written as far as no errors occur, '
              'even if -s or another simulation option is used (Alias: --force-download-archive)'))
      verbosity.add_option(
          '--newline',
          action='store_true', dest='progress_with_newline', default=False,
          help='Output progress bar as new lines')
      verbosity.add_option(
          '--no-progress',
          action='store_true', dest='noprogress', default=None,
          help='Do not print progress bar')
      verbosity.add_option(
          '--progress',
          action='store_false', dest='noprogress',
          help='Show progress bar, even if in quiet mode')
      verbosity.add_option(
          '--console-title',
          action='store_true', dest='consoletitle', default=False,
          help='Display progress in console titlebar')
      verbosity.add_option(
          '--progress-template',
          metavar='[TYPES:]TEMPLATE', dest='progress_template', default={}, type='str',
          action='callback', callback=_dict_from_options_callback,
          callback_kwargs={
              'allowed_keys': '(download|postprocess)(-title)?',
              'default_key': 'download'
          }, help=(
              'Template for progress outputs, optionally prefixed with one of "download:" (default), '
              '"download-title:" (the console title), "postprocess:",  or "postprocess-title:". '
              'The video\'s fields are accessible under the "info" key and '
              'the progress attributes are accessible under "progress" key. Eg: '
              # TODO: Document the fields inside "progress"
              '--console-title --progress-template "download-title:%(info.id)s-%(progress.eta)s"'))
      verbosity.add_option(
          '-v', '--verbose',
          action='store_true', dest='verbose', default=False,
          help='Print various debugging information')
      verbosity.add_option(
          '--dump-pages', '--dump-intermediate-pages',
          action='store_true', dest='dump_intermediate_pages', default=False,
          help='Print downloaded pages encoded using base64 to debug problems (very verbose)')
      verbosity.add_option(
          '--write-pages',
          action='store_true', dest='write_pages', default=False,
          help='Write downloaded intermediary pages to files in the current directory to debug problems')
      verbosity.add_option(
          '--youtube-print-sig-code',
          action='store_true', dest='youtube_print_sig_code', default=False,
          help=optparse.SUPPRESS_HELP)
      verbosity.add_option(
          '--print-traffic', '--dump-headers',
          dest='debug_printtraffic', action='store_true', default=False,
          help='Display sent and read HTTP traffic')
      verbosity.add_option(
          '-C', '--call-home',
          dest='call_home', action='store_true', default=False,
          # help='[Broken] Contact the yt-dlp server for debugging')
          help=optparse.SUPPRESS_HELP)
      verbosity.add_option(
          '--no-call-home',
          dest='call_home', action='store_false',
          # help='Do not contact the yt-dlp server for debugging (default)')
          help=optparse.SUPPRESS_HELP)
  
      filesystem = optparse.OptionGroup(parser, 'Filesystem Options')
      filesystem.add_option(
          '-a', '--batch-file',
          dest='batchfile', metavar='FILE',
          help="File containing URLs to download ('-' for stdin), one URL per line. "
               "Lines starting with '#', ';' or ']' are considered as comments and ignored")
      filesystem.add_option(
          '-P', '--paths',
          metavar='[TYPES:]PATH', dest='paths', default={}, type='str',
          action='callback', callback=_dict_from_options_callback,
          callback_kwargs={
              'allowed_keys': 'home|temp|%s' % '|'.join(OUTTMPL_TYPES.keys()),
              'default_key': 'home'
          }, help=(
              'The paths where the files should be downloaded. '
              'Specify the type of file and the path separated by a colon ":". '
              'All the same types as --output are supported. '
              'Additionally, you can also provide "home" (default) and "temp" paths. '
              'All intermediary files are first downloaded to the temp path and '
              'then the final files are moved over to the home path after download is finished. '
              'This option is ignored if --output is an absolute path'))
      filesystem.add_option(
          '-o', '--output',
          metavar='[TYPES:]TEMPLATE', dest='outtmpl', default={}, type='str',
          action='callback', callback=_dict_from_options_callback,
          callback_kwargs={
              'allowed_keys': '|'.join(OUTTMPL_TYPES.keys()),
              'default_key': 'default'
          }, help='Output filename template; see "OUTPUT TEMPLATE" for details')
      filesystem.add_option(
          '--output-na-placeholder',
          dest='outtmpl_na_placeholder', metavar='TEXT', default='NA',
          help=('Placeholder value for unavailable meta fields in output filename template (default: "%default")'))
      filesystem.add_option(
          '--autonumber-size',
          dest='autonumber_size', metavar='NUMBER', type=int,
          help=optparse.SUPPRESS_HELP)
      filesystem.add_option(
          '--autonumber-start',
          dest='autonumber_start', metavar='NUMBER', default=1, type=int,
          help=optparse.SUPPRESS_HELP)
      filesystem.add_option(
          '--restrict-filenames',
          action='store_true', dest='restrictfilenames', default=False,
          help='Restrict filenames to only ASCII characters, and avoid "&" and spaces in filenames')
      filesystem.add_option(
          '--no-restrict-filenames',
          action='store_false', dest='restrictfilenames',
          help='Allow Unicode characters, "&" and spaces in filenames (default)')
      filesystem.add_option(
          '--windows-filenames',
          action='store_true', dest='windowsfilenames', default=False,
          help='Force filenames to be windows compatible')
      filesystem.add_option(
          '--no-windows-filenames',
          action='store_false', dest='windowsfilenames',
          help='Make filenames windows compatible only if using windows (default)')
      filesystem.add_option(
          '--trim-filenames', '--trim-file-names', metavar='LENGTH',
          dest='trim_file_name', default=0, type=int,
          help='Limit the filename length (excluding extension) to the specified number of characters')
      filesystem.add_option(
          '-w', '--no-overwrites',
          action='store_false', dest='overwrites', default=None,
          help='Do not overwrite any files')
      filesystem.add_option(
          '--force-overwrites', '--yes-overwrites',
          action='store_true', dest='overwrites',
          help='Overwrite all video and metadata files. This option includes --no-continue')
      filesystem.add_option(
          '--no-force-overwrites',
          action='store_const', dest='overwrites', const=None,
          help='Do not overwrite the video, but overwrite related files (default)')
      filesystem.add_option(
          '-c', '--continue',
          action='store_true', dest='continue_dl', default=True,
          help='Resume partially downloaded files/fragments (default)')
      filesystem.add_option(
          '--no-continue',
          action='store_false', dest='continue_dl',
          help=(
              'Do not resume partially downloaded fragments. '
              'If the file is not fragmented, restart download of the entire file'))
      filesystem.add_option(
          '--part',
          action='store_false', dest='nopart', default=False,
          help='Use .part files instead of writing directly into output file (default)')
      filesystem.add_option(
          '--no-part',
          action='store_true', dest='nopart',
          help='Do not use .part files - write directly into output file')
      filesystem.add_option(
          '--mtime',
          action='store_true', dest='updatetime', default=True,
          help='Use the Last-modified header to set the file modification time (default)')
      filesystem.add_option(
          '--no-mtime',
          action='store_false', dest='updatetime',
          help='Do not use the Last-modified header to set the file modification time')
      filesystem.add_option(
          '--write-description',
          action='store_true', dest='writedescription', default=False,
          help='Write video description to a .description file')
      filesystem.add_option(
          '--no-write-description',
          action='store_false', dest='writedescription',
          help='Do not write video description (default)')
      filesystem.add_option(
          '--write-info-json',
          action='store_true', dest='writeinfojson', default=False,
          help='Write video metadata to a .info.json file (this may contain personal information)')
      filesystem.add_option(
          '--no-write-info-json',
          action='store_false', dest='writeinfojson',
          help='Do not write video metadata (default)')
      filesystem.add_option(
          '--write-annotations',
          action='store_true', dest='writeannotations', default=False,
          help=optparse.SUPPRESS_HELP)
      filesystem.add_option(
          '--no-write-annotations',
          action='store_false', dest='writeannotations',
          help=optparse.SUPPRESS_HELP)
      filesystem.add_option(
          '--write-playlist-metafiles',
          action='store_true', dest='allow_playlist_files', default=None,
          help=(
              'Write playlist metadata in addition to the video metadata '
              'when using --write-info-json, --write-description etc. (default)'))
      filesystem.add_option(
          '--no-write-playlist-metafiles',
          action='store_false', dest='allow_playlist_files',
          help='Do not write playlist metadata when using --write-info-json, --write-description etc.')
      filesystem.add_option(
          '--clean-infojson',
          action='store_true', dest='clean_infojson', default=None,
          help=(
              'Remove some private fields such as filenames from the infojson. '
              'Note that it could still contain some personal information (default)'))
      filesystem.add_option(
          '--no-clean-infojson',
          action='store_false', dest='clean_infojson',
          help='Write all fields to the infojson')
      filesystem.add_option(
          '--write-comments', '--get-comments',
          action='store_true', dest='getcomments', default=False,
          help=(
              'Retrieve video comments to be placed in the infojson. '
              'The comments are fetched even without this option if the extraction is known to be quick (Alias: --get-comments)'))
      filesystem.add_option(
          '--no-write-comments', '--no-get-comments',
          action='store_false', dest='getcomments',
          help='Do not retrieve video comments unless the extraction is known to be quick (Alias: --no-get-comments)')
      filesystem.add_option(
          '--load-info-json', '--load-info',
          dest='load_info_filename', metavar='FILE',
          help='JSON file containing the video information (created with the "--write-info-json" option)')
      filesystem.add_option(
          '--cookies',
          dest='cookiefile', metavar='FILE',
          help='File to read cookies from and dump cookie jar in')
      filesystem.add_option(
          '--no-cookies',
          action='store_const', const=None, dest='cookiefile', metavar='FILE',
          help='Do not read/dump cookies from/to file (default)')
      filesystem.add_option(
          '--cookies-from-browser',
          dest='cookiesfrombrowser', metavar='BROWSER[:PROFILE]',
          help=(
              'Load cookies from a user profile of the given web browser. '
              'Currently supported browsers are: {}. '
              'You can specify the user profile name or directory using '
              '"BROWSER:PROFILE_NAME" or "BROWSER:PROFILE_PATH". '
              'If no profile is given, the most recently accessed one is used'.format(
                  ', '.join(sorted(SUPPORTED_BROWSERS)))))
      filesystem.add_option(
          '--no-cookies-from-browser',
          action='store_const', const=None, dest='cookiesfrombrowser',
          help='Do not load cookies from browser (default)')
      filesystem.add_option(
          '--cache-dir', dest='cachedir', default=None, metavar='DIR',
          help='Location in the filesystem where youtube-dl can store some downloaded information (such as client ids and signatures) permanently. By default $XDG_CACHE_HOME/yt-dlp or ~/.cache/yt-dlp')
      filesystem.add_option(
          '--no-cache-dir', action='store_false', dest='cachedir',
          help='Disable filesystem caching')
      filesystem.add_option(
          '--rm-cache-dir',
          action='store_true', dest='rm_cachedir',
          help='Delete all filesystem cache files')
  
      thumbnail = optparse.OptionGroup(parser, 'Thumbnail Options')
      thumbnail.add_option(
          '--write-thumbnail',
          action='store_true', dest='writethumbnail', default=False,
          help='Write thumbnail image to disk')
      thumbnail.add_option(
          '--no-write-thumbnail',
          action='store_false', dest='writethumbnail',
          help='Do not write thumbnail image to disk (default)')
      thumbnail.add_option(
          '--write-all-thumbnails',
          action='store_true', dest='write_all_thumbnails', default=False,
          help='Write all thumbnail image formats to disk')
      thumbnail.add_option(
          '--list-thumbnails',
          action='store_true', dest='list_thumbnails', default=False,
          help='List available thumbnails of each video. Simulate unless --no-simulate is used')
  
      link = optparse.OptionGroup(parser, 'Internet Shortcut Options')
      link.add_option(
          '--write-link',
          action='store_true', dest='writelink', default=False,
          help='Write an internet shortcut file, depending on the current platform (.url, .webloc or .desktop). The URL may be cached by the OS')
      link.add_option(
          '--write-url-link',
          action='store_true', dest='writeurllink', default=False,
          help='Write a .url Windows internet shortcut. The OS caches the URL based on the file path')
      link.add_option(
          '--write-webloc-link',
          action='store_true', dest='writewebloclink', default=False,
          help='Write a .webloc macOS internet shortcut')
      link.add_option(
          '--write-desktop-link',
          action='store_true', dest='writedesktoplink', default=False,
          help='Write a .desktop Linux internet shortcut')
  
      postproc = optparse.OptionGroup(parser, 'Post-Processing Options')
      postproc.add_option(
          '-x', '--extract-audio',
          action='store_true', dest='extractaudio', default=False,
          help='Convert video files to audio-only files (requires ffmpeg and ffprobe)')
      postproc.add_option(
          '--audio-format', metavar='FORMAT', dest='audioformat', default='best',
          help=(
              'Specify audio format to convert the audio to when -x is used. Currently supported formats are: '
              'best (default) or one of %s' % '|'.join(FFmpegExtractAudioPP.SUPPORTED_EXTS)))
      postproc.add_option(
          '--audio-quality', metavar='QUALITY',
          dest='audioquality', default='5',
          help='Specify ffmpeg audio quality, insert a value between 0 (better) and 9 (worse) for VBR or a specific bitrate like 128K (default %default)')
      postproc.add_option(
          '--remux-video',
          metavar='FORMAT', dest='remuxvideo', default=None,
          help=(
              'Remux the video into another container if necessary (currently supported: %s). '
              'If target container does not support the video/audio codec, remuxing will fail. '
              'You can specify multiple rules; Eg. "aac>m4a/mov>mp4/mkv" will remux aac to m4a, mov to mp4 '
              'and anything else to mkv.' % '|'.join(FFmpegVideoRemuxerPP.SUPPORTED_EXTS)))
      postproc.add_option(
          '--recode-video',
          metavar='FORMAT', dest='recodevideo', default=None,
          help=(
              'Re-encode the video into another format if re-encoding is necessary. '
              'The syntax and supported formats are the same as --remux-video'))
      postproc.add_option(
          '--postprocessor-args', '--ppa',
          metavar='NAME:ARGS', dest='postprocessor_args', default={}, type='str',
          action='callback', callback=_dict_from_options_callback,
          callback_kwargs={
              'allowed_keys': r'\w+(?:\+\w+)?', 'default_key': 'default-compat',
              'process': compat_shlex_split,
              'multiple_keys': False
          }, help=(
              'Give these arguments to the postprocessors. '
              'Specify the postprocessor/executable name and the arguments separated by a colon ":" '
              'to give the argument to the specified postprocessor/executable. Supported PP are: '
              'Merger, ModifyChapters, SplitChapters, ExtractAudio, VideoRemuxer, VideoConvertor, '
              'Metadata, EmbedSubtitle, EmbedThumbnail, SubtitlesConvertor, ThumbnailsConvertor, '
              'FixupStretched, FixupM4a, FixupM3u8, FixupTimestamp and FixupDuration. '
              'The supported executables are: AtomicParsley, FFmpeg and FFprobe. '
              'You can also specify "PP+EXE:ARGS" to give the arguments to the specified executable '
              'only when being used by the specified postprocessor. Additionally, for ffmpeg/ffprobe, '
              '"_i"/"_o" can be appended to the prefix optionally followed by a number to pass the argument '
              'before the specified input/output file. Eg: --ppa "Merger+ffmpeg_i1:-v quiet". '
              'You can use this option multiple times to give different arguments to different '
              'postprocessors. (Alias: --ppa)'))
      postproc.add_option(
          '-k', '--keep-video',
          action='store_true', dest='keepvideo', default=False,
          help='Keep the intermediate video file on disk after post-processing')
      postproc.add_option(
          '--no-keep-video',
          action='store_false', dest='keepvideo',
          help='Delete the intermediate video file after post-processing (default)')
      postproc.add_option(
          '--post-overwrites',
          action='store_false', dest='nopostoverwrites',
          help='Overwrite post-processed files (default)')
      postproc.add_option(
          '--no-post-overwrites',
          action='store_true', dest='nopostoverwrites', default=False,
          help='Do not overwrite post-processed files')
      postproc.add_option(
          '--embed-subs',
          action='store_true', dest='embedsubtitles', default=False,
          help='Embed subtitles in the video (only for mp4, webm and mkv videos)')
      postproc.add_option(
          '--no-embed-subs',
          action='store_false', dest='embedsubtitles',
          help='Do not embed subtitles (default)')
      postproc.add_option(
          '--embed-thumbnail',
          action='store_true', dest='embedthumbnail', default=False,
          help='Embed thumbnail in the video as cover art')
      postproc.add_option(
          '--no-embed-thumbnail',
          action='store_false', dest='embedthumbnail',
          help='Do not embed thumbnail (default)')
      postproc.add_option(
          '--embed-metadata', '--add-metadata',
          action='store_true', dest='addmetadata', default=False,
          help='Embed metadata to the video file. Also adds chapters to file unless --no-add-chapters is used (Alias: --add-metadata)')
      postproc.add_option(
          '--no-embed-metadata', '--no-add-metadata',
          action='store_false', dest='addmetadata',
          help='Do not add metadata to file (default) (Alias: --no-add-metadata)')
      postproc.add_option(
          '--embed-chapters', '--add-chapters',
          action='store_true', dest='addchapters', default=None,
          help='Add chapter markers to the video file (Alias: --add-chapters)')
      postproc.add_option(
          '--no-embed-chapters', '--no-add-chapters',
          action='store_false', dest='addchapters',
          help='Do not add chapter markers (default) (Alias: --no-add-chapters)')
      postproc.add_option(
          '--metadata-from-title',
          metavar='FORMAT', dest='metafromtitle',
          help=optparse.SUPPRESS_HELP)
      postproc.add_option(
          '--parse-metadata',
          metavar='FROM:TO', dest='parse_metadata', action='append',
          help=(
              'Parse additional metadata like title/artist from other fields; '
              'see "MODIFYING METADATA" for details'))
      postproc.add_option(
          '--replace-in-metadata',
          dest='parse_metadata', metavar='FIELDS REGEX REPLACE', action='append', nargs=3,
          help='Replace text in a metadata field using the given regex. This option can be used multiple times')
      postproc.add_option(
          '--xattrs',
          action='store_true', dest='xattrs', default=False,
          help='Write metadata to the video file\'s xattrs (using dublin core and xdg standards)')
      postproc.add_option(
          '--fixup',
          metavar='POLICY', dest='fixup', default=None,
          choices=('never', 'ignore', 'warn', 'detect_or_warn', 'force'),
          help=(
              'Automatically correct known faults of the file. '
              'One of never (do nothing), warn (only emit a warning), '
              'detect_or_warn (the default; fix file if we can, warn otherwise), '
              'force (try fixing even if file already exists'))
      postproc.add_option(
          '--prefer-avconv', '--no-prefer-ffmpeg',
          action='store_false', dest='prefer_ffmpeg',
          help=optparse.SUPPRESS_HELP)
      postproc.add_option(
          '--prefer-ffmpeg', '--no-prefer-avconv',
          action='store_true', dest='prefer_ffmpeg', default=True,
          help=optparse.SUPPRESS_HELP)
      postproc.add_option(
          '--ffmpeg-location', '--avconv-location', metavar='PATH',
          dest='ffmpeg_location',
          help='Location of the ffmpeg binary; either the path to the binary or its containing directory')
      postproc.add_option(
          '--exec', metavar='CMD',
          action='append', dest='exec_cmd',
          help=(
              'Execute a command on the file after downloading and post-processing. '
              'Same syntax as the output template can be used to pass any field as arguments to the command. '
              'An additional field "filepath" that contains the final path of the downloaded file is also available. '
              'If no fields are passed, %(filepath)q is appended to the end of the command. '
              'This option can be used multiple times'))
      postproc.add_option(
          '--no-exec',
          action='store_const', dest='exec_cmd', const=[],
          help='Remove any previously defined --exec')
      postproc.add_option(
          '--exec-before-download', metavar='CMD',
          action='append', dest='exec_before_dl_cmd',
          help=(
              'Execute a command before the actual download. '
              'The syntax is the same as --exec but "filepath" is not available. '
              'This option can be used multiple times'))
      postproc.add_option(
          '--no-exec-before-download',
          action='store_const', dest='exec_before_dl_cmd', const=[],
          help='Remove any previously defined --exec-before-download')
      postproc.add_option(
          '--convert-subs', '--convert-sub', '--convert-subtitles',
          metavar='FORMAT', dest='convertsubtitles', default=None,
          help=(
              'Convert the subtitles to another format (currently supported: %s) '
              '(Alias: --convert-subtitles)' % '|'.join(FFmpegSubtitlesConvertorPP.SUPPORTED_EXTS)))
      postproc.add_option(
          '--convert-thumbnails',
          metavar='FORMAT', dest='convertthumbnails', default=None,
          help=(
              'Convert the thumbnails to another format '
              '(currently supported: %s) ' % '|'.join(FFmpegThumbnailsConvertorPP.SUPPORTED_EXTS)))
      postproc.add_option(
          '--split-chapters', '--split-tracks',
          dest='split_chapters', action='store_true', default=False,
          help=(
              'Split video into multiple files based on internal chapters. '
              'The "chapter:" prefix can be used with "--paths" and "--output" to '
              'set the output filename for the split files. See "OUTPUT TEMPLATE" for details'))
      postproc.add_option(
          '--no-split-chapters', '--no-split-tracks',
          dest='split_chapters', action='store_false',
          help='Do not split video based on chapters (default)')
      postproc.add_option(
          '--remove-chapters',
          metavar='REGEX', dest='remove_chapters', action='append',
          help='Remove chapters whose title matches the given regular expression. This option can be used multiple times')
      postproc.add_option(
          '--no-remove-chapters', dest='remove_chapters', action='store_const', const=None,
          help='Do not remove any chapters from the file (default)')
      postproc.add_option(
          '--force-keyframes-at-cuts',
          action='store_true', dest='force_keyframes_at_cuts', default=False,
          help=(
              'Force keyframes around the chapters before removing/splitting them. '
              'Requires a reencode and thus is very slow, but the resulting video '
              'may have fewer artifacts around the cuts'))
      postproc.add_option(
          '--no-force-keyframes-at-cuts',
          action='store_false', dest='force_keyframes_at_cuts',
          help='Do not force keyframes around the chapters when cutting/splitting (default)')
      _postprocessor_opts_parser = lambda key, val='': (
          *(item.split('=', 1) for item in (val.split(';') if val else [])),
          ('key', remove_end(key, 'PP')))
      postproc.add_option(
          '--use-postprocessor',
          metavar='NAME[:ARGS]', dest='add_postprocessors', default=[], type='str',
          action='callback', callback=_list_from_options_callback,
          callback_kwargs={
              'delim': None,
              'process': lambda val: dict(_postprocessor_opts_parser(*val.split(':', 1)))
          }, help=(
              'The (case sensitive) name of plugin postprocessors to be enabled, '
              'and (optionally) arguments to be passed to it, seperated by a colon ":". '
              'ARGS are a semicolon ";" delimited list of NAME=VALUE. '
              'The "when" argument determines when the postprocessor is invoked. '
              'It can be one of "pre_process" (after extraction), '
              '"before_dl" (before video download), "post_process" (after video download; default) '
              'or "after_move" (after moving file to their final locations). '
              'This option can be used multiple times to add different postprocessors'))
  
      sponsorblock = optparse.OptionGroup(parser, 'SponsorBlock Options', description=(
          'Make chapter entries for, or remove various segments (sponsor, introductions, etc.) '
          'from downloaded YouTube videos using the SponsorBlock API (https://sponsor.ajay.app)'))
      sponsorblock.add_option(
          '--sponsorblock-mark', metavar='CATS',
          dest='sponsorblock_mark', default=set(), action='callback', type='str',
          callback=_set_from_options_callback, callback_kwargs={'allowed_values': SponsorBlockPP.CATEGORIES.keys()},
          help=(
              'SponsorBlock categories to create chapters for, separated by commas. '
              'Available categories are all, %s. You can prefix the category with a "-" to exempt it. '
              'See https://wiki.sponsor.ajay.app/index.php/Segment_Categories for description of the categories. '
              'Eg: --sponsorblock-mark all,-preview' % ', '.join(SponsorBlockPP.CATEGORIES.keys())))
      sponsorblock.add_option(
          '--sponsorblock-remove', metavar='CATS',
          dest='sponsorblock_remove', default=set(), action='callback', type='str',
          callback=_set_from_options_callback, callback_kwargs={'allowed_values': SponsorBlockPP.CATEGORIES.keys()},
          help=(
              'SponsorBlock categories to be removed from the video file, separated by commas. '
              'If a category is present in both mark and remove, remove takes precedence. '
              'The syntax and available categories are the same as for --sponsorblock-mark'))
      sponsorblock.add_option(
          '--sponsorblock-chapter-title', metavar='TEMPLATE',
          default=DEFAULT_SPONSORBLOCK_CHAPTER_TITLE, dest='sponsorblock_chapter_title',
          help=(
              'The title template for SponsorBlock chapters created by --sponsorblock-mark. '
              'The same syntax as the output template is used, but the only available fields are '
              'start_time, end_time, category, categories, name, category_names. Defaults to "%default"'))
      sponsorblock.add_option(
          '--no-sponsorblock', default=False,
          action='store_true', dest='no_sponsorblock',
          help='Disable both --sponsorblock-mark and --sponsorblock-remove')
      sponsorblock.add_option(
          '--sponsorblock-api', metavar='URL',
          default='https://sponsor.ajay.app', dest='sponsorblock_api',
          help='SponsorBlock API location, defaults to %default')
  
      sponsorblock.add_option(
          '--sponskrub',
          action='store_true', dest='sponskrub', default=False,
          help=optparse.SUPPRESS_HELP)
      sponsorblock.add_option(
          '--no-sponskrub',
          action='store_false', dest='sponskrub',
          help=optparse.SUPPRESS_HELP)
      sponsorblock.add_option(
          '--sponskrub-cut', default=False,
          action='store_true', dest='sponskrub_cut',
          help=optparse.SUPPRESS_HELP)
      sponsorblock.add_option(
          '--no-sponskrub-cut',
          action='store_false', dest='sponskrub_cut',
          help=optparse.SUPPRESS_HELP)
      sponsorblock.add_option(
          '--sponskrub-force', default=False,
          action='store_true', dest='sponskrub_force',
          help=optparse.SUPPRESS_HELP)
      sponsorblock.add_option(
          '--no-sponskrub-force',
          action='store_true', dest='sponskrub_force',
          help=optparse.SUPPRESS_HELP)
      sponsorblock.add_option(
          '--sponskrub-location', metavar='PATH',
          dest='sponskrub_path', default='',
          help=optparse.SUPPRESS_HELP)
      sponsorblock.add_option(
          '--sponskrub-args', dest='sponskrub_args', metavar='ARGS',
          help=optparse.SUPPRESS_HELP)
  
      extractor = optparse.OptionGroup(parser, 'Extractor Options')
      extractor.add_option(
          '--extractor-retries',
          dest='extractor_retries', metavar='RETRIES', default=3,
          help='Number of retries for known extractor errors (default is %default), or "infinite"')
      extractor.add_option(
          '--allow-dynamic-mpd', '--no-ignore-dynamic-mpd',
          action='store_true', dest='dynamic_mpd', default=True,
          help='Process dynamic DASH manifests (default) (Alias: --no-ignore-dynamic-mpd)')
      extractor.add_option(
          '--ignore-dynamic-mpd', '--no-allow-dynamic-mpd',
          action='store_false', dest='dynamic_mpd',
          help='Do not process dynamic DASH manifests (Alias: --no-allow-dynamic-mpd)')
      extractor.add_option(
          '--hls-split-discontinuity',
          dest='hls_split_discontinuity', action='store_true', default=False,
          help='Split HLS playlists to different formats at discontinuities such as ad breaks'
      )
      extractor.add_option(
          '--no-hls-split-discontinuity',
          dest='hls_split_discontinuity', action='store_false',
          help='Do not split HLS playlists to different formats at discontinuities such as ad breaks (default)')
      _extractor_arg_parser = lambda key, vals='': (key.strip().lower().replace('-', '_'), [val.strip() for val in vals.split(',')])
      extractor.add_option(
          '--extractor-args',
          metavar='KEY:ARGS', dest='extractor_args', default={}, type='str',
          action='callback', callback=_dict_from_options_callback,
          callback_kwargs={
              'multiple_keys': False,
              'process': lambda val: dict(
                  _extractor_arg_parser(*arg.split('=', 1)) for arg in val.split(';'))
          }, help=(
              'Pass these arguments to the extractor. See "EXTRACTOR ARGUMENTS" for details. '
              'You can use this option multiple times to give arguments for different extractors'))
      extractor.add_option(
          '--youtube-include-dash-manifest', '--no-youtube-skip-dash-manifest',
          action='store_true', dest='youtube_include_dash_manifest', default=True,
          help=optparse.SUPPRESS_HELP)
      extractor.add_option(
          '--youtube-skip-dash-manifest', '--no-youtube-include-dash-manifest',
          action='store_false', dest='youtube_include_dash_manifest',
          help=optparse.SUPPRESS_HELP)
      extractor.add_option(
          '--youtube-include-hls-manifest', '--no-youtube-skip-hls-manifest',
          action='store_true', dest='youtube_include_hls_manifest', default=True,
          help=optparse.SUPPRESS_HELP)
      extractor.add_option(
          '--youtube-skip-hls-manifest', '--no-youtube-include-hls-manifest',
          action='store_false', dest='youtube_include_hls_manifest',
          help=optparse.SUPPRESS_HELP)
  
      parser.add_option_group(general)
      parser.add_option_group(network)
      parser.add_option_group(geo)
      parser.add_option_group(selection)
      parser.add_option_group(downloader)
      parser.add_option_group(filesystem)
      parser.add_option_group(thumbnail)
      parser.add_option_group(link)
      parser.add_option_group(verbosity)
      parser.add_option_group(workarounds)
      parser.add_option_group(video_format)
      parser.add_option_group(subtitles)
      parser.add_option_group(authentication)
      parser.add_option_group(postproc)
      parser.add_option_group(sponsorblock)
      parser.add_option_group(extractor)
  
      if overrideArguments is not None:
          opts, args = parser.parse_args(overrideArguments)
          if opts.verbose:
              write_string('[debug] Override config: ' + repr(overrideArguments) + '\n')
      else:
          def compat_conf(conf):
              if sys.version_info < (3,):
                  return [a.decode(preferredencoding(), 'replace') for a in conf]
              return conf
  
          configs = {
              'command-line': compat_conf(sys.argv[1:]),
              'custom': [], 'home': [], 'portable': [], 'user': [], 'system': []}
          paths = {'command-line': False}
  
          def read_options(name, path, user=False):
              ''' loads config files and returns ignoreconfig '''
              # Multiple package names can be given here
              # Eg: ('yt-dlp', 'youtube-dlc', 'youtube-dl') will look for
              # the configuration file of any of these three packages
              for package in ('yt-dlp',):
                  if user:
                      config, current_path = _readUserConf(package, default=None)
                  else:
                      current_path = os.path.join(path, '%s.conf' % package)
                      config = _readOptions(current_path, default=None)
                  if config is not None:
                      configs[name], paths[name] = config, current_path
                      return parser.parse_args(config)[0].ignoreconfig
              return False
  
          def get_configs():
              opts, _ = parser.parse_args(configs['command-line'])
              if opts.config_location is not None:
                  location = compat_expanduser(opts.config_location)
                  if os.path.isdir(location):
                      location = os.path.join(location, 'yt-dlp.conf')
                  if not os.path.exists(location):
                      parser.error('config-location %s does not exist.' % location)
                  config = _readOptions(location, default=None)
                  if config:
                      configs['custom'], paths['custom'] = config, location
  
              if opts.ignoreconfig:
                  return
              if parser.parse_args(configs['custom'])[0].ignoreconfig:
                  return
              if read_options('portable', get_executable_path()):
                  return
              opts, _ = parser.parse_args(configs['portable'] + configs['custom'] + configs['command-line'])
              if read_options('home', expand_path(opts.paths.get('home', '')).strip()):
                  return
              if read_options('system', '/etc'):
                  return
              if read_options('user', None, user=True):
                  configs['system'], paths['system'] = [], None
  
          get_configs()
          argv = configs['system'] + configs['user'] + configs['home'] + configs['portable'] + configs['custom'] + configs['command-line']
          opts, args = parser.parse_args(argv)
          if opts.verbose:
              for label in ('Command-line', 'Custom', 'Portable', 'Home', 'User', 'System'):
                  key = label.lower()
                  if paths.get(key):
                      write_string(f'[debug] {label} config file: {paths[key]}\n')
                  if paths.get(key) is not None:
                      write_string(f'[debug] {label} config: {_hide_login_info(configs[key])!r}\n')
  
      return parser, opts, args
  